Defensive publication

ABSTRACT

COMPOUND HAVING THE FORMULA:   ARE SENSITIZERS FOR PHOTOCONDUCTORS WHEREIN R1, R2, R3, R4, AND R5 MAY REPRESENT SEPARATE MOIETIES; WHEREIN R1 AND R2, WHEN TAKEN TOGETHER, MAY REPRESENT A FUSED AROMATIC NUCLEUS: WHEREIN R4 AND R5, WHEN TAKEN TOGETHER, MAY REPRESENT A FUSED AROMATIC NUCLEUS; AND WHEREIN A MAY REPRESENT A HETEROCETHYLENE MOIETY, AN ALKYLENE MOIETY OR A BRANCHED ALKYLENE MOIETY.

DEFENSIVE PUBLICATION UNITED STATES PATENT OFFICE Published at the request of the applicant or owner in accordance with the Notice of Dec. 16. 1969. 869 0.61. 687. The abstracts of Defensive Publication applications are identified by distinctly numbered series and are arranged chronologically. The heading of each abstract indicates the number of pages of specification, including claims and sheets of drawings contained in the application as originally filed. The files of these applications are available to the public for inspection and reproduction may be purchased for 30 cents a sheet.

Defensive Publication applications have not been examined as to the merits of alleged invention. The Patent Oflice makes no assertion as to the novelty of the disclosed subject matter.

PUBLISHED AUGUST 81, 1971 889 O.Gr. 1367 T889,021 ELECTROPHOTOGRAPHIC COMPOSITION AND ELEMENT George A. Reynolds and James A. Van Allan, Kodak Park Works, Rochester, N.Y. 14650 Filed Oct. 5, 1970, Ser. No. 78,611 Int. Cl. G03g 5/06 US. CI. 96-15 N 0 Drawing. 13 Pages Specification Compounds ha ving the formula:

are sensitizers for photoconductors wherein R R R R and R may represent separate moieties; wherein R and R when taken together, may represent a fused aromatic nucleus; wherein R and R when taken together, may represent a fused aromatic nucleus; and wherein A may represent a heteroethylene moiety, an alkylene moiety or a branched alkylene moiety. 

